joelagnel / bpfd

BPFd (Deprecated, please see README.md) : Berkeley Packet Filter daemon (BPFd). Makes it possible to run BCC tools across systems.
Apache License 2.0
95 stars 23 forks source link

New tools: Write a tool detect lock contention using futex() #20

Open joelagnel opened 6 years ago

joelagnel commented 6 years ago

By monitoring futex and stacks, we may be able to determine when userspace is contending on a lock. This issue is to explore writing tools for this purpose using the technique.